Uniden DMX776 2.4 GHz DSS Expandable Trendy Cordless Phone with Caller ID (Silver/Black) 2.4 GHz frequency hopping digital spread spectrum signal Expandable to 4 handsets, 1 included Caller ID/call waiting, 100-number caller ID memory Recordable ringer tones, distinctive caller ID options Handset speakerphone; 10-number speed dial